function changevalue(select_name){
	if(select_name=='hanhdong'){
		var index = document.forms['sanpham'].hanhdong.value;
		document.forms['sanpham'].hanhdong1.options[index-1].selected = true;
		
	}else{
		var index = document.forms['sanpham'].hanhdong1.value;
		document.forms['sanpham'].hanhdong.options[index-1].selected = true;
	
	}
}
function changevaluesearch(select_name){
/*Vi combox nay bat dau tu gia tri 0 nen giu index */
	if(select_name=='find'){
		var index = document.forms['sanpham'].find.value;
		document.forms['sanpham'].find1.options[index-1].selected = true;
		
	}else{
		var index = document.forms['sanpham'].find1.value;
		document.forms['sanpham'].find.options[index-1].selected = true;
	
	}
}

function gettextbox(txt_find){
	if(txt_find=='name_find'){
		var text = document.forms['sanpham'].name_find.value;
		document.forms['sanpham'].name_find1.value = text;
	}else{
		var text = document.forms['sanpham'].name_find1.value;
		document.forms['sanpham'].name_find.value = text;
	}
}